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	홍희기

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[re] 단위에 대해서...

수업시간에 상세히 설명한 것으로 기억되는데... 엔탈피h의 단위는 J/kg, 속도항의
v^2/2의 단위 m^2/s^2을 정리하면 역시 J/kg이 되지요? 만약 엔탈피 단위로 kJ/kg을
사용하면 1000을 곱해주거나 나눠주면 됩니다. 그리고 질문에는 위의 게시판 규정과
같이 실명을 사용하기 바랍니다.

>개방 시스템에 관한 문제중에 만약 입구와 출구의 엔탈피를 알고 입구의 속도를 알때 출구의 속도를 구하는 문제에서 입출구의 높이가 같아 위치 에너지가 무시되면 출구의 속도는 엔탈피와 속도에 의해 결정되는데,엔탈피와 속도의 단위는 다른데,그럴때는 단위를 어떻게 맞춰야 하나요?

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[2010/03/23]

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